Siemens sinamics dcp - Fig. 3-27 6800 - Overview

SINAMICS DCP List Manual (LH21), 05/2016
347
3 Function diagrams
3.9 Closed-loop control
Fig. 3-27 6800 – Overview
fp_6800_89.vsd
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- 6800 -
SINAMICS DCP
25.04.2016 v 1.2
DO: DCP_CTRL
- Overview
Function diagram
+
+
+
+
+
+
Precontrol
Main current
controller
Residual
current
controller
+
-
Ramp-
function
generator
PWM 1
PWM 2
+
-
+
+
Setpoint
--->
Reactor
current
+
+
Current
actual
value
measurem
ent
Side 1 Side 2
Voltage 1
Voltage 2
Set-
point
+
externally measured
actual current
+
+
Voltage actual
value
measurement
Limits
+
+
Correction
current
controller
[6805] [6806]
[6808]
[6806]
[6825]
[6820]
[6820]
[6830]
[6830]
[6850]
[6850]
+
+
Limits
[6817]
3
+
++ +
+
+
PWM 3
[6830]
3
+
Voltage
controller
Set-
point
[6818]
1
0
[6818]
3
+
[6810]
[6812]
Siemens Parts